How do I implement user authentication in a Rails app using Devise?

How do I implement user authentication in a Rails app using Devise?

To implement user authentication in a Rails app using Devise, first add the Devise gem to your Gemfile and run bundle install.

What are the next steps after installing the gem?

Next, run the Devise generator with rails generate devise:install, then set up your User model with rails generate devise User.

Do I need to configure any routes?

Yes, you need to add devise_for :users to your routes file to set up the necessary routes for user authentication.

How can I customize the sign-up form?

You can customize the sign-up form by editing the views located in app/views/devise/registrations/new.html.erb.